Improvement in artificial stone



I 106. COMPOSITIONS,

COATING 0R PLASTIC.

[UNITED STATES- HAMI iToN A. COMI/NS,

- IMPROVEMIHENT IN PATENT OFFICE.

OF oswneo, KANSAS.

ARTIFAICIALY STONE.

Specification forming part of LettersPatent No. 218,490, dated August 12, 1879; application filed To all whom it may concern: 3

Be it known that I, HAMILTON A. OoMINs,

I of Oswego, in the county of Labette and State I take twenty-five parts of cement twenty five parts of la raris twen yve parts of clean sand we Ve an a alf parts of woodashes and twelve and a half parts of common mud mix the whole together with s' u'cli anmo fint of water as will reduce the mass to the consistency 0 1n mortar. In this condition I mold the compound in the shape required June 14, 1879.

in suitable molds of wood or iron. After molding the drying process is performed without the application of artificial heat.

The artificial stone thus manufactured found of great value, and is useful for drain, sewer, Water, and other pipes; as well as for curb-stones, sidewalk fiagstones, and other like uses. 1

I claimas my inventionsand, wedashes, an 1 substantia 1y 1n Tli'ffianlier and proportions specified,for the purpose set forth.

In testimony that I claim the above I have hereunto subscribed my name in the presence of two witnesses.

HAMILTON A. ooMI'ns.

Witnesses:

- P. A. REEL,

MARTIN D. MILLER.

The combination of r c z a ng rt-, plaster; aria k 

